Stefan Charles Kost

citizen of Triengen, Reinach (BL)

Commercial register

Propolis Immobilien AG

Member of the board of directors · joint signature by two · Basel

since Nov 25, 2025
PrimeVest AG

Member of the board of directors · joint signature by two · Basel

since Nov 3, 2025
Fidelitas AG

Chair of the board of directors · joint signature by two · Basel

since Nov 27, 2020
Swiss Domus Solutions AG

Member of the board of directors · joint signature by two · Basel

until Jan 4, 2024
GreySky Properties Holding AG

joint signature by two · Basel

until Dec 27, 2023
GreySky Residential Properties AG

joint signature by two · Basel

until Dec 27, 2023
GreySky Commercial Properties AG

joint signature by two · Basel

until Dec 22, 2023
Kulturwerk Bau AG

Chair of the board of directors · joint signature by two · Basel

until Dec 12, 2023
GreySky Residential Properties Rho AG

joint signature by two · Basel

until Nov 24, 2023
GreySky Residential Properties Sigma AG

joint signature by two · Basel

until Nov 24, 2023
GreySky Residential Properties My AG

joint signature by two · Basel

until Nov 24, 2023
GreySky Residential Properties Eta AG

joint signature by two · Basel

until Nov 24, 2023
GreySky Residential Properties Iota AG

joint signature by two · Basel

until Nov 24, 2023
GreySky Residential Properties Theta AG

joint signature by two · Basel

until Nov 24, 2023
GreySky Residential Properties Zeta AG

joint signature by two · Basel

until Nov 24, 2023
GreySky Commercial Properties Epsilon AG

joint signature by two · Basel

until Nov 24, 2023
GreySky Commercial Properties Gamma AG

joint signature by two · Basel

until Nov 24, 2023
GreySky Commercial Properties Beta AG

joint signature by two · Basel

until Nov 24, 2023
GreySky Commercial Properties Eta AG

joint signature by two · Allschwil

until Nov 23, 2023
GreySky Residential Properties Lambda AG

joint signature by two · Basel

until Nov 23, 2023
GreySky Residential Properties Xi AG

joint signature by two · Basel

until Nov 23, 2023
GreySky Residential Properties Kappa AG

joint signature by two · Basel

until Nov 23, 2023
GreySky Residential Properties Delta AG

joint signature by two · Basel

until Nov 23, 2023
GreySky Residential Properties Beta AG

joint signature by two · Basel

until Nov 23, 2023
GreySky Residential Properties Gamma AG

joint signature by two · Basel

until Nov 23, 2023
GreySky Residential Properties Alpha AG

joint signature by two · Basel

until Nov 23, 2023
GreySky Residential Properties Pi AG

joint signature by two · Basel

until Nov 23, 2023